Home / 1,532,859.73-2,115,245.23-920,648.72

Finding the Fourth Proportional to 1,532,859.73, 2,115,245.23 and 920,648.72

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Solution

The fourth proportional to 1,532,859.73, 2,115,245.23 and 920,648.72 is: 1,270,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,859.73 : 2,115,245.23 = 920,648.72 : x
  2. Step 2: Convert to fraction form
    1,532,859.73/2,115,245.23 = 920,648.72/x
  3. Step 3: Cross multiply
    1,532,859.73x = 2,115,245.23 × 920,648.72
  4. Step 4: Simplify right side
    1,532,859.73x = 1,947,397,813,485.61
  5. Step 5: Solve for x
    x = 1,947,397,813,485.61/1,532,859.73
  6. Step 6: Final answer
    x = 1,270,434.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.